ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,461, issued on Sept. 30, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Apparatus and method for cleaning metal filter" was invented by Hyun Uk Kim (Daejeon, South Korea), Sang Soo Jang (Daejeon, South Korea), Young Su Park (Daejeon, South Korea), Seong Bae Kim (Daejeon, South Korea), Yi Rang Lim (Daejeon, South Korea), Kyoung Wan Park (Daejeon, South Korea) and Eun Hee Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for cleaning a metal filter comprises a cleaning bath having a predetermined size and connected to a cleaning solution tank, a jig which is vertically elevatable and horizontally slidable in t...